What festival did Lu Cong write in How Bright Tonight is in the White Moonlight! ?

How much brighter the moonlight will be in Bai's home from tonight! Wrote the white dew in the twenty-four solar terms, and the sentence "He knows that the dew tonight will be frost" points out that the background is a night of the solar term "white dew". Starting from the twenty-four solar terms. The original title of the 24 solar terms is "Written by Wu Cheng in Yuan Dynasty". His book belongs to the point of 24 Qi and 72 Hou, and each explanation explains the reason.

Take five days as the weather, three days as the weather, six days as the weather, four days as the age, and 24 solar terms * * * 72 days a year. Each climate corresponds to a phenological phenomenon, which is called climate response. Among them, the plant climate should be germination, flowering, fruiting, etc. Animals should start vibrating, singing, mating, migrating, etc. Abiotic climate should include initial freezing, thawing and thunder. The time series changes of 72 climate events reflect the climate change in a year.